Oxy flow 5 oxygen consentrator

OxyFlow 5 5 Liter Oxygen Concentrator Meeting the regulatory requirement of the most stringent medical market of Japan.
In use for the last 17 years worldwide.
Designed and marketed by Sanrai International.
Easy maintenance.
Salter lab humidifier bottle and crush-proof nasal cannula provided with the unit.
Designed for 24 x 7 use.
Low Oxygen purity alarm provided.
Has 3570 hrs of use on. Unit still new